Shopping cart holder



FIG. 1 is a top plan view of a shopping cart holder showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, the rear being the same in appearance; and,

FIG. 5 is a front and left side perspective view thereof. 

The ornamental design for a shopping cart holder, as shown and described. 